The purpose of this activity is for students to solve a Take From, Result Unknown and a Put Together/Take Apart, Both Addends Unknown story problem. In the Activity Synthesis, students match representations to story problems (MP2).

• Invite previously selected students to display their work side-by-side for all to see (one for each problem). 
• Reread each story problem. 
• “Which drawing goes with each story problem?”

The purpose of this activity is for students to create an addition or subtraction story problem with the same context as the story problems from the previous activity. It is likely that students will write Add To, Result Unknown and Take From, Result Unknown story problems. If possible, share a variety of problem types in the Activity Synthesis.

• Invite students to share their story problems. Represent each story problem with an equation.

The purpose of this activity is for students to choose from activities that offer practice composing, decomposing, adding, and subtracting numbers.

Students choose from any previously introduced stage from these centers:

• What’s Behind My Back?
• 5-Frames
• Make or Break Apart Numbers
• Math Stories

• “What was your favorite center to play? Why was it your favorite?”